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Geospatial Planning for Least-Cost Electrification in Developing Countries

Author

Listed:
  • Nicolò Ceccato

    (Department of Energy, Politecnico di Milano, 20156 Milano, Italy)

  • Corrado Maria Caminiti

    (Department of Energy, Politecnico di Milano, 20156 Milano, Italy)

  • Aleksandar Dimovski

    (Department of Energy, Politecnico di Milano, 20156 Milano, Italy)

  • Marina Petrelli

    (Tractebel France, 92230 Paris, France)

  • Midas Caubergs

    (Engie Impact Belgium, 1000 Brussels, Belgium)

  • Marco Merlo

    (Department of Energy, Politecnico di Milano, 20156 Milano, Italy)

Abstract

This paper presents two innovative procedures developed for rural electrification planning. To address the challenges of processing vast geospatial data, handling complex and computationally intensive network design, and making detailed yet accessible economic assessments, this work introduces a Buffering plugin for community identification and a Grid Routing and Cost Allocation plugin for network design and economic assessment, both integrated into the open-source QGIS platform. The first enables the identification of potential electrification zones through dual methodologies, while the second introduces three key processes: hierarchical clustering, a modified minimum spanning tree, and a novel cost allocation methodology that provides village-specific LCOE calculations. Testing in Zambia has proven that this approach is not only effective but also—compared to existing tools—offers significant advantages in terms of computational efficiency and accessibility, while providing practical solutions to large-scale challenges. This synergistic approach enables planners to move from granular geospatial data to actionable electrification decisions through a streamlined process. The analysis covered over 3 million buildings, grouped into 162,142 settlement clusters, and subsequently determined optimal electrification strategies for 3025 villages—40.4% connected to grid extensions and 59.6% to mini-grids—serving a total population of 18 million people.

Suggested Citation

  • Nicolò Ceccato & Corrado Maria Caminiti & Aleksandar Dimovski & Marina Petrelli & Midas Caubergs & Marco Merlo, 2025. "Geospatial Planning for Least-Cost Electrification in Developing Countries," Energies, MDPI, vol. 18(7), pages 1-19, April.
  • Handle: RePEc:gam:jeners:v:18:y:2025:i:7:p:1784-:d:1626596
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    References listed on IDEAS

    as
    1. Dahyun Kang & Tae Yong Jung, 2020. "Renewable Energy Options for a Rural Village in North Korea," Sustainability, MDPI, vol. 12(6), pages 1-19, March.
    2. Lazzari, Florencia & Mor, Gerard & Cipriano, Jordi & Solsona, Francesc & Chemisana, Daniel & Guericke, Daniela, 2023. "Optimizing planning and operation of renewable energy communities with genetic algorithms," Applied Energy, Elsevier, vol. 338(C).
    3. Alejandro Arbelaez & Deepak Mehta & Barry O’Sullivan & Luis Quesada, 2018. "A constraint-based parallel local search for the edge-disjoint rooted distance-constrained minimum spanning tree problem," Journal of Heuristics, Springer, vol. 24(3), pages 359-394, June.
    4. Agozie, Divine Q. & Afful-Dadzie, Anthony & Gyamfi, Bright Akwasi & Bekun, Festus Victor, 2023. "Does psychological empowerment improve renewable energy technology acceptance and recommendation? Evidence from 17 rural communities," Renewable Energy, Elsevier, vol. 219(P1).
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